Atorvastatin Acid-Impurities | Pharmaffiliates

atorvastatin acid

A lipid lowering agent, Atorvastatin is used in the treatment of cardiovascular diseases.It is a competitive inhibitor of HMG-CoA reductase.It is a pyrrole and heptanoic acid derivative which acts as a ANTICHOLESTEREMIC AGENT that is used to reduce serum levels of LDL-CHOLESTEROL. Reference standards of Atorvastatin Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA 01 83000

Atorvastatin Acid - API


  • Catalogue No.:PA 01 83000

  • CAS :

    134523-00-5

  • Molecular Formula : C33H35FN2O5

  • Molecular Weight : 558.64

PA 01 83010

Atorvastatin Acid - Impurity A


  • Catalogue No.:PA 01 83010

  • CAS :

    433289-83-9

  • Molecular Formula : C66H68CaN4O10

  • Molecular Weight : 1119.36

PA 01 83030

Atorvastatin Acid - Impurity C


  • Catalogue No.:PA 01 83030

  • CAS :

    693793-53-2

  • Molecular Formula : C66H68CaF2N4O10

  • Molecular Weight : 1191.3

PA 01 83040

Atorvastatin Acid - Impurity D


  • Catalogue No.:PA 01 83040

  • CAS :

    148146-51-4

  • Molecular Formula : C26H22FNO4

  • Molecular Weight : 431.46

PA 01 83051

Atorvastatin Acid (Calcium Salt) - Impurity E


  • Catalogue No.:PA 01 83051

  • CAS :

    1105067-88-6

  • Molecular Formula : C66H68CaF2N4O10

  • Molecular Weight : 1155.34

PA 01 83052

Atorvastatin Acid - Impurity E (Freebase)


  • Catalogue No.:PA 01 83052

  • CAS :

    501121-34-2

  • Molecular Formula : C33H35FN2O5

  • Molecular Weight : 558.64

PA 01 83060

Atorvastatin Acid (Calcium Salt) - Impurity F


  • Catalogue No.:PA 01 83060

  • CAS :

    1105067-87-5

  • Molecular Formula : C40H48FN3O80.5Ca

  • Molecular Weight : 736.86

PA 01 83061

Atorvastatin Acid (Freebase) - Impurity F


  • Catalogue No.:PA 01 83061

  • CAS :

    887196-24-9

  • Molecular Formula : C40H48FN3O8

  • Molecular Weight : 717.82

PA 01 83062

Atorvastatin Acid (Sodium Salt) - Impurity F


  • Catalogue No.:PA 01 83062

  • CAS :

    1371615-56-3

  • Molecular Formula : C40H47FN3NaO8

  • Molecular Weight : 739.80

PA 01 83080

Atorvastatin Acid - Impurity H


  • Catalogue No.:PA 01 83080

  • CAS :

    125995-03-1

  • Molecular Formula : C33H33FN2O4

  • Molecular Weight : 540.62

PA 01 83150

Atorvastatin Acid - Impurity O


  • Catalogue No.:PA 01 83150

  • CAS :

    1391052-00-8

  • Molecular Formula : C33H32FN2NaO5

  • Molecular Weight : 578.61

PA 01 83520

Atorvastatin Epoxy THF Analog


  • Catalogue No.:PA 01 83520

  • CAS :

    873950-19-7

  • Molecular Formula : C26H24FNO5

  • Molecular Weight : 449.47

PA 01 83525

(3R,5R)-7-(9-Fluoro-2-isopropyl-3-(phenylcarbamoyl)-1H-dibenzo[e,g]indol-1-yl)-3,5-dihydroxyheptanoic Acid


  • Catalogue No.:PA 01 83525

  • CAS :

    NA

  • Molecular Formula : C33H33FN2O5

  • Molecular Weight : 556.62

PA 01 83530

Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Ethyl Ester


  • Catalogue No.:PA 01 83530

  • CAS :

    NA

  • Molecular Formula : C35H37FN2O4

  • Molecular Weight : 568.68

PA 01 83535

2-Hydroxy Atorvastatin Calcium Salt


  • Catalogue No.:PA 01 83535

  • CAS :

    265989-46-6

  • Molecular Formula : C66H68CaF2N4O12

  • Molecular Weight : 1187.35

PA 01 83540

Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Sodium Salt


  • Catalogue No.:PA 01 83540

  • CAS :

    NA

  • Molecular Formula : C33H32FN2NaO4

  • Molecular Weight : 562.61

PA 01 83545

Atorvastatin Lactam Impurity


  • Catalogue No.:PA 01 83545

  • CAS :

    906552-18-9

  • Molecular Formula : C33H35FN2O6

  • Molecular Weight : 574.64

PA 01 83550

3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone


  • Catalogue No.:PA 01 83550

  • CAS :

    442851-50-5

  • Molecular Formula : C33H31FN2O3

  • Molecular Weight : 522.61

PA 01 83555

2-Hydroxy Atorvastatin Dihydrate Monosodium Salt


  • Catalogue No.:PA 01 83555

  • CAS :

    1421760-64-6

  • Molecular Formula : C33H38FN2NaO8

  • Molecular Weight : 632.65

PA 01 83570

Atorvastatin Sodium


  • Catalogue No.:PA 01 83570

  • CAS :

    134523-01-6

  • Molecular Formula : C33H34FN2NaO5

  • Molecular Weight : 580.62

PA 01 83585

Dihydroxy Diketo Atorvastatin Impurity


  • Catalogue No.:PA 01 83585

  • CAS :

    1046118-44-8

  • Molecular Formula : C26H24FNO5

  • Molecular Weight : 449.47

PA 01 83590

Atorvastatin Calcium Trihydrate


  • Catalogue No.:PA 01 83590

  • CAS :

    344423-98-9

  • Molecular Formula : C66H74CaF2N4O13

  • Molecular Weight : 1209.39

PA 01 83730

(4S,cis)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate


  • Catalogue No.:PA 01 83730

  • CAS :

    947586-93-8

  • Molecular Formula : C14H27NO4

  • Molecular Weight : 273.37

PA 01 83740

Atorvastatin Cyclic Fluorophenyl Sodium Salt Impurity


  • Catalogue No.:PA 01 83740

  • CAS :

    1315629-79-8

  • Molecular Formula : C33H34FN2NaO7

  • Molecular Weight : 612.62

PA 01 83750

(4R,cis)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate


  • Catalogue No.:PA 01 83750

  • CAS :

    125995-13-3

  • Molecular Formula : C14H27NO4

  • Molecular Weight : 273.37

PA 01 83760

2-(2-(2-(4-fluoro-phenyl)-2-oxo-1-phenyl-ethyl)-4-methyl-3-oxo-pentanoylamino)-3-phenyl-propionic Acid Ethyl Ester


  • Catalogue No.:PA 01 83760

  • CAS :

    NA

  • Molecular Formula : C31H32FNO5

  • Molecular Weight : 517.59

PA 01 83770

Atorvastatin Pyrolidone Lactone


  • Catalogue No.:PA 01 83770

  • CAS :

    906552-19-0

  • Molecular Formula : C33H33FN2O5

  • Molecular Weight : 556.62

PA 01 83780

(3R,5S)-Atorvastatin Sodium Salt


  • Catalogue No.:PA 01 83780

  • CAS :

    131275-93-9

  • Molecular Formula : C33H34FN2NaO5

  • Molecular Weight : 580.62

PA 01 83790

P-Hydroxy Atorvastatin


  • Catalogue No.:PA 01 83790

  • CAS :

    NA

  • Molecular Formula : C33H35FN2O6

  • Molecular Weight : 574.64

PA 01 83810

Atorvastatin Lactone Diepoxide


  • Catalogue No.:PA 01 83810

  • CAS :

    1046118-40-4

  • Molecular Formula : C33H33FN2O6

  • Molecular Weight : 572.62

PA 01 83820

Atorvastatin Cyclic Fluorophenyl Impurity


  • Catalogue No.:PA 01 83820

  • CAS :

    873950-18-6

  • Molecular Formula : C33H35FN2O7

  • Molecular Weight : 590.64

PA 01 83830

3-Des Hydroxy Atorvastatin


  • Catalogue No.:PA 01 83830

  • CAS :

    NA

  • Molecular Formula : C33H35FN2O4

  • Molecular Weight : 542.64

PA 01 83880

2-Hydroxy Atorvastatin Disodium Salt


  • Catalogue No.:PA 01 83880

  • CAS :

    NA

  • Molecular Formula : C33H33FN2Na2O6

  • Molecular Weight : 618.6

PA 01 83900

3-(4-Fluorobenzoyl)-2-(2-methylpropyl)-N,3-diphenyl-2-oxiranecarboxamide


  • Catalogue No.:PA 01 83900

  • CAS :

    1246818-88-1

  • Molecular Formula : C26H24FNO3

  • Molecular Weight : 417.47

PA 01 83910

Atorvastatin Lactam Phenanthrene Calcium Salt Impurity


  • Catalogue No.:PA 01 83910

  • CAS :

    148127-12-2

  • Molecular Formula : C33H320.5CaFN2O6

  • Molecular Weight : 591.66

PA 01 83920

N,3-Diphenyl-2-(2-methyl-1-oxopropyl)4-oxo-N-benzenebutanamide


  • Catalogue No.:PA 01 83920

  • CAS :

    444577-70-2

  • Molecular Formula : C26H25NO3

  • Molecular Weight : 399.48

PA 01 83930

Atorvastatin Difluoro Impurity


  • Catalogue No.:PA 01 83930

  • CAS :

    693793-82-7

  • Molecular Formula : C26H23F2NO3

  • Molecular Weight : 435.46

PA 01 83960

3-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide


  • Catalogue No.:PA 01 83960

  • CAS :

    1817798-20-1

  • Molecular Formula : C26H24FNO3

  • Molecular Weight : 417.47

PA 01 83970

tert-Butyl 2-((4R,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate


  • Catalogue No.:PA 01 83970

  • CAS :

    NA

  • Molecular Formula : C14H27NO4

  • Molecular Weight : 273.37

PA 01 0831001

1-((3R,5R)-7-Amino-3,5-dihydroxy-7-oxoheptyl)-5-(4-fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide


  • Catalogue No.:PA 01 0831001

  • CAS :

    NA

  • Molecular Formula : C33H36FN3O4

  • Molecular Weight : 557.67

PA 01 0831002

(2E,4E)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)hepta-2,4-dienoic Acid


  • Catalogue No.:PA 01 0831002

  • CAS :

    NA

  • Molecular Formula : C33H31FN2O3

  • Molecular Weight : 522.62

PA 01 0831003

Atorvastatin Isopropyl Ester


  • Catalogue No.:PA 01 0831003

  • CAS :

    1035205-25-4

  • Molecular Formula : C36H41FN2O5

  • Molecular Weight : 600.73

PA 01 0831005

Atorvastatin Pyrrolidone Phenanthrene Sodium


  • Catalogue No.:PA 01 0831005

  • CAS :

    NA

  • Molecular Formula : C33H32FN2NaO6

  • Molecular Weight : 594.62

PA 01 0831004

(3S,5R)-Atorvastatin Calcium Salt


  • Catalogue No.:PA 01 0831004

  • CAS :

    887196-25-0

  • Molecular Formula : C66H68CaF2N4O10

  • Molecular Weight : 1155.34

PA 01 0830020

Atorvastatin Acid - Impurity B


  • Catalogue No.:PA 01 0830020

  • CAS :

    842103-12-2

  • Molecular Formula : C33H35FN2O5

  • Molecular Weight : 558.65

PA 01 0830151

Atorvastatin Acid - Impurity O (Calcium Salt)


  • Catalogue No.:PA 01 0830151

  • CAS :

    887196-30-7

  • Molecular Formula : C66H64CaF2N4O10

  • Molecular Weight : 1151.31

PA STI 088732

4-Hydroxy atorvastatin lactone-d5


  • Catalogue No.:PA STI 088732

  • CAS :

    265989-49-9

  • Molecular Formula : C33H28D5FN2O5

  • Molecular Weight : 561.66

PA 01 0831006

(3S,5R)-Atorvastatin methyl ester


  • Catalogue No.:PA 01 0831006

  • CAS :

    1429437-85-3

  • Molecular Formula : C34H37FN2O5

  • Molecular Weight : 572.68

PA 01 0831007

Atorvastatin 3-Oxo methyl ester 


  • Catalogue No.:PA 01 0831007

  • CAS :

    NA

  • Molecular Formula : C34H35FN2O5

  • Molecular Weight : 570.66

PA 01 0831008

Atorvastatin 3-Oxopropyl Impurity


  • Catalogue No.:PA 01 0831008

  • CAS :

    110862-46-9

  • Molecular Formula : C29H27FN2O2

  • Molecular Weight : 454.55

PA 01 0831009

Atorvastatin acetonide methyl ester


  • Catalogue No.:PA 01 0831009

  • CAS :

    1353049-81-6

  • Molecular Formula : C37H41FN2O5

  • Molecular Weight : 612.74

PA 01 0831010

Atorvastatin Acyl-β-D-glucuronide


  • Catalogue No.:PA 01 0831010

  • CAS :

    463962-58-5

  • Molecular Formula : C39H43FN2O11

  • Molecular Weight : 734.77

PAI 01 083001

(R)-Tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate


  • Catalogue No.:PAI 01 083001

  • CAS :

    NA

  • Molecular Formula : C11H17NO4

  • Molecular Weight : 227.26

PAI 01 083003

Tert-butyl 2-((4S,6R)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate


  • Catalogue No.:PAI 01 083003

  • CAS :

    NA

  • Molecular Formula : C14H23NO4

  • Molecular Weight : 269.34

PAI 01 083005

Tert-butyl 2-((4S,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate


  • Catalogue No.:PAI 01 083005

  • CAS :

    NA

  • Molecular Formula : C40H47FN2O5

  • Molecular Weight : 654.82

PAI 01 083006

(3S,5R)-Tert-butyl 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate


  • Catalogue No.:PAI 01 083006

  • CAS :

    NA

  • Molecular Formula : C37H43FN2O5

  • Molecular Weight : 614.76

PAI 01 083007

Sodium (3S,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate


  • Catalogue No.:PAI 01 083007

  • CAS :

    1060754-19-9

  • Molecular Formula : C33H34FN2NaO5

  • Molecular Weight : 580.63

PAI 01 083008

5-(4-Fluorophenyl)-2-isopropyl-1-(2-((2R,4R)-4-methoxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide


  • Catalogue No.:PAI 01 083008

  • CAS :

    NA

  • Molecular Formula : C34H35FN2O4

  • Molecular Weight : 554.66

PA 01 0831011

2-Fluoro Atorvastatin tert-Butyl Ester


  • Catalogue No.:PA 01 0831011

  • CAS :

    1099474-28-8

  • Molecular Formula : C40H47FN2O5

  • Molecular Weight : 654.82

PA 01 0830030

Atorvastatin Acid - Impurity C (Freebase)


  • Catalogue No.:PA 01 0830030

  • CAS :

    693794-20-6

  • Molecular Formula : C33H34F2N2O5

  • Molecular Weight : 576.64

PA 01 0831013

4-Hydroxy-Atorvastatin calcium salt


  • Catalogue No.:PA 01 0831013

  • CAS :

    265989-44-4

  • Molecular Formula : C66H68CaF2N4O12

  • Molecular Weight : 1187.36